DNA demethylation by ROS1a in rice vegetative cells promotes methylation in sperm. [PDF]
, 2019 Epigenetic reprogramming is required for proper regulation of gene expression in eukaryotic organisms. In Arabidopsis, active DNA demethylation is crucial for seed viability, pollen function, and successful reproduction. The DEMETER (DME) DNA glycosylase
Fischer, Robert L +6 more
core +2 more sources
A New Family of HEAT-Like Repeat Proteins Lacking a Critical Substrate Recognition Motif Present in Related DNA Glycosylases. [PDF]
PLoS ONE, 2015 DNA glycosylases are important repair enzymes that eliminate a diverse array of aberrant nucleobases from the genomes of all organisms. Individual bacterial species often contain multiple paralogs of a particular glycosylase, yet the molecular and ...
Elwood A Mullins +3 more
doaj +1 more source
Transcription-associated breaks in Xeroderma Pigmentosum group D cells from patients with combined features of Xeroderma Pigmentosum and Cockayne Syndrome [PDF]
, 2005 Defects in the XPD gene can result in several clinical phenotypes, including xeroderma pigmentosum (XP), trichothiodystrophy, and, less frequently, the combined phenotype of XP and Cockayne syndrome (XP-D/CS).
Andressoo, Jaan-Olle +12 more
core +3 more sources
Structure of an archaeal PCNA1-PCNA2-FEN1 complex: elucidating PCNA subunit and client enzyme specificity. [PDF]
, 2006 The archaeal/eukaryotic proliferating cell nuclear antigen (PCNA) toroidal clamp interacts with a host of DNA modifying enzymes, providing a stable anchorage and enhancing their respective processivities.
Andrew S. Doré +48 more
core +4 more sources
Resistance-Guided Mining of Bacterial Genotoxins Defines a Family of DNA Glycosylases
mBio, 2022 Unique DNA repair enzymes that provide self-resistance against therapeutically important, genotoxic natural products have been discovered in bacterial biosynthetic gene clusters (BGCs).
Noah P. Bradley +4 more
doaj +1 more source
7,8-Dihydro-8-oxoadenine, a highly mutagenic adduct, is repaired by Escherichia coli and human mismatch-specific uracil/thymine-DNA glycosylases [PDF]
, 2012 Hydroxyl radicals predominantly react with the C(8) of purines forming 7,8-dihydro-8-oxoguanine (8oxoG) and 7,8-dihydro-8-oxoadenine (8oxoA) adducts, which are highly mutagenic in mammalian cells.
Couve, Sophie +5 more
core +2 more sources
Frontiers in Microbiology, 2021 Since hyperthermophilic Archaea (HA) thrive in high-temperature environments, which accelerate the rates of deamination of base in DNA, their genomic stability is facing a severe challenge.
Tan Lin +6 more
doaj +1 more source
PLoS ONE, 2011 Orthohepadnavirus (mammalian hosts) and avihepadnavirus (avian hosts) constitute the family of Hepadnaviridae and differ by their capability and inability for expression of protein X, respectively. Origin and functions of X are unclear.
Formijn J van Hemert +5 more
doaj +1 more source
Mfd Protects Against Oxidative Stress in Bacillus Subtilis Independently of its Canonical Function in DNA Repair [PDF]
, 2019 Background: Previous reports showed that mutagenesis in nutrient-limiting conditions is dependent on Mfd in Bacillus subtilis. Mfd initiates one type of transcription-coupled repair (TCR); this type of repair is known to target bulky lesions, like those ...
Contreras, Natalie +6 more
core +5 more sources
FACT Assists Base Excision Repair by Boosting the Remodeling Activity of RSC. [PDF]
PLoS Genetics, 2016 FACT, in addition to its role in transcription, is likely implicated in both transcription-coupled nucleotide excision repair and DNA double strand break repair.
John Lalith Charles Richard +11 more
doaj +1 more source